Are You Limiting Yourself to 50% of the Action on Wall Street?

I'm not sure I remember exactly how I felt in February, but like most investors I was interested in what the New Year would bring. I suppose there's a certain amount of optimism that goes with that. The S&P 500 had just finished two pretty good years, with total returns of 15.1% in 2010 and 26.5% in 2009. My guess is I was trying to find which companies would be the biggest winners in another "up" year. And buy them. But that strategy is, at best, half-baked. It only represents half the action going on in the market at any given time. Of all the investors trading stocks exactly 50% are buying — and 50% are . . . → Read More: Are You Limiting Yourself to 50% of the Action on Wall Street?